Adaptor seal



FIG. 1 is a front perspective view of an adaptor seal for a humidifier/respiratory apparatus according to our design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof; and,

FIG. 4 is a left side view thereof, with the right side view thereof being a mirror image thereof.

The top and bottom views are not shown because they are similar to FIG. 4, the only difference is that the top and bottom views would be rotated 90° clockwise and 90° counterclockwise, respectively, compared to FIG. 4. 

The ornamental design for an adaptor seal, as shown and described. 